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Cheap Mercedes Benz Slk cars under £20,000

With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check

129 Mercedes Benz Slk cars under £20,000 - 39 reductions


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Recently reduced (39)

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 Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby

£18,991
Was £19,991 Save £1,000

Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)

2009  |   56,555 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Description includes bluetooth interface, radio, bluetooth, sports suspension, wind deflector, mp3 compatible, centre console storage, alloy wheels, centre console, pas, auto climate control, climate control, service history, alloys, speakers, audio, bluetooth system, cd...eee

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 DT Performance Cars, Unit 1A, Atherstone

£18,950
Was £19,950 Save £1,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)

2005  |   48,432 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

This model has electric windows (front), driver, power assisted steering, pas, computer, alloy wheels, black, adjustable steering column, air bag driver, adjustable steering column/wheel, passenger, central door locking, spare wheel, alarm, air bag passenger, elect...eee

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 St James Motor Company William Street, 4 Muira Estate, Hampshire

£18,490
Was £19,490 Save £1,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

2007  |   61,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Options include black, bluetooth, headlamp wash, alloy wheels, service history, alarm, air bag, immobiliser, central door locking, adjustable steering column/wheel, steering wheel leather, full service history, leather, anti lock brakes, adjustable steering column, ...eee

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 Prime Motors, Rear of Unit 12,, Hoddesdon

£17,749
Was £18,749 Save £1,000

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)

2012  |   56,000 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

This model has alloy wheels, rear parking sensors, tinted glass, alarm, immobiliser, navigation system, voice control, central locking, electric windows, headlight wash, 18in alloy wheels, parking sensors, heated front seat, automatic, cd radio, air con, usb, cd, s...eee

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 Eclipse Car Sales Limited, 89 Main Road, Winchester

£12,995
Was £13,449 Save £454

Mercedes Benz SLK 2.1 SLK 250 D AMG SPORT 2d 201 BHP

2015  |   34,500 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Options include alloy wheels, alarm, multi function steering wheel, dab radio, bluetooth interface, airbag, audio, convertible, driver, bluetooth, rear parking sensors, brake assist, air conditioning, mot, leather, passenger, parking sensors, abs, anti lock braking ...eee

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 M&W Automotive LTD, Unit 6 Fleet Marston Farm, Aylesbury

£12,750
Was £12,995 Save £245

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   52,704 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

With navigation system, finance available, anti lock braking system, leather, airbags, abs, airbag, automatic, air conditioning, mot, air con, heated seats, 18in alloy wheels, part exchange welcome, alloy wheels, service history, driver, black...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£11,990
Was £12,500 Save £510

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

2014  |   36,000 miles  |   Convertible  |   1796  |   petrol  |   automatic  |   2 doors

With tinted glass, air con, bluetooth, radio, electric windows, air conditioning, heated front seats, hpi clear, rear parking sensor, black, automatic, finance available, leather, audio, alloy wheels, spare wheel, parking sensors, satellite navigation, au...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£11,750
Was £11,990 Save £240

Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

2013  |   25,200 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Featuring dab radio, dab digital radio, wind deflector, heated seats, bluetooth, navigation system, automatic, daytime running lights, air con, audio, audio 20, finance available, bluetooth interface, heated front seat, leather interior, 18in alloy wheels, cli...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£10,990
Was £11,500 Save £510

Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

2015  |   47,200 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Comes with cruise control, black, finance available, hpi clear, radio, cd, leather, dab radio, bluetooth, heated seats, electric windows, heated front seat, 18in alloy wheels, heated front seats, speed limiter, air conditioning, automatic, wind deflector, dab d...eee

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 Prestige Car Supermarket, A19 Crockey Hill, York

£10,799
Was £10,999 Save £200

Mercedes Benz SLK 2.1 SLK250 CDI Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

2014  |   36,624 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Options include air con, anti lock braking system, daytime running lights, driver, dab digital radio, radio, cloth interior, led daytime running lights, airbags, bluetooth interface, esp, leather steering wheel, speed limiter, cd, brake assist, wind deflector, alumi...eee





129 cars under £20,000

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 Derby Trade Cars Limited Derby, Ascot Drive, Derbyshire

£19,990

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)

2013  |   56,000 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

With paddle shift, front and rear parking sensors, sat nav, rear parking sensor, service history, sunroof, led daytime running lights, dab digital radio, black, rear parking sensors, radio, bluetooth audio streaming, heated seats, automatic headlights, cl...eee

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 Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby

£18,991
Was £19,991 Save £1,000

Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)

2009  |   56,555 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

With bluetooth, audio, mp3 compatible, bluetooth interface, centre console storage, alloys, service history, full service history, climate control, radio, speakers, sports suspension, cd, wind deflector, auto climate control, audio 20, alloy wheels, pas, ...eee

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 DT Performance Cars, Unit 1A, Atherstone

£18,950
Was £19,950 Save £1,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)

2005  |   48,432 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Features on this model include air bag driver, passenger, electronic stability programme, driver, black, air bag passenger, adjustable steering column/wheel, air bag, climate control, steering wheel mounted controls, electric windows (front), speakers, power assisted steering, ele...eee

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 St James Motor Company William Street, 4 Muira Estate, Hampshire

£18,490
Was £19,490 Save £1,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

2007  |   61,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Description includes adjustable steering column, steering wheel mounted controls, computer, immobiliser, driver, anti lock brakes, parktronic, headlamp wash, central door locking, heated seats, electronic stability programme, service history, full service history, adjust...eee

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 Prime Motors, Rear of Unit 12,, Hoddesdon

£17,749
Was £18,749 Save £1,000

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)

2012  |   56,000 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

Comes with anti lock braking system, sat nav, immobiliser, automatic, leather, passenger, heated front seats, airbag, sports suspension, electric windows, tinted glass, usb, rear parking sensors, satellite navigation, leather seats, remote boot release, alloy w...eee

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 Integrity Automotive Limited, West End Road, Ipswich

£17,350

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)

2012  |   79,431 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

Description includes passenger, anti lock braking system, leather interior, alloy wheels, air con, automatic transmission, pas, air conditioning, leather, abs, alarm, service history, airbags, black, driver, airbag, immobiliser, 18in alloy wheels, automatic...eee

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 SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£16,995

Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)

2015  |   30,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

With We have much more to tell you about this car so please feel free to call us for more details...eee

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£15,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic

2007  |   63,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Includes adjustable steering column/wheel, steering wheel mounted controls, air bag, climate control, leather, spare wheel, electric windows (front), central door locking, driver, speakers, alloy wheels, adjustable steering column, electric windows...eee

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 RJ Cars Horley Ltd, The Old Forge, Horley

£14,995

Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto

2015  |   39,000 miles  |   Convertible  |   1991  |   petrol  |   automatic  |   0 doors

Featuring leather interior, computer, alloys, sports seats, daytime running lights, mot, registered keeper, black, leather, convertible, petrol, trip computer, led daytime running lights...eee

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£14,000

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

2007  |   40,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Featuring steering wheel leather, air bag driver, pas, exterior lighting, alloy wheels, electronic stability programme, adjustable steering column/wheel, air bag passenger, alarm, air bag, cruise control, adjustable steering column, driver, speakers, tinted gl...eee






We currently have 129 Mercedes Benz Slk cars available across the UK priced under £20000.

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